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Lagrangian Numerical Simulation of Particulate Flows by N.A. Patankar; D.D. Joseph is a Engineering article available to read on EtoBox.

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The Lagrangian numerical simulation (LNS) scheme presented in this paper is motivated by the multiphase particle-in-cell (MP-PIC). In this numerical scheme we solve the ̄uid phase continuity and momentum equations on an Eulerian grid. The particle motion is governed by Newton's law thus following the Lagrangian approach. Momentum exchange from the particle-to- ̄uid is modeled in the ̄uid phase momentum equation. Forces acting on the particle include drag from the ̄uid, body force and force due to interparticle stress. There is a freedom to use dierent models for these forces and to introduce other forces. The eect of viscous stresses are included in the ̄uid phase equations. The volume fraction of the particles appear in the ̄uid phase continuity and momentum equations. A ®nite volume method is used to solve for the ̄uid phase equations on an Eulerian grid. Particle positions are updated using the Runge±Kutta scheme. This numerical scheme can handle a range of particle loadings and particle types. The LNS scheme is implemented using an ecient three-dimensional time-dependent ®nite volume algorithm. We use a Chorin-type pressure-correction based fractional-step scheme on a non

Who reads Lagrangian Numerical Simulation of Particulate Flows?

Author

N.A. Patankar; D.D. Joseph

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0301-9322)

Published

2001

Language

EN

Field

Engineering (Physical Sciences)